<template>
  <div>
    <el-form ref="deptForm" label-width="120px" :rules="rules" :model="form">
      <el-form-item label="部门名称" prop="name">
        <el-input
          v-model="form.name"
          style="width: 80%"
          placeholder="1-50个字符"
        />
      </el-form-item>
      <el-form-item label="部门编码" prop="code">
        <el-input
          v-model="form.code"
          style="width: 80%"
          placeholder="1-50个字符"
        />
      </el-form-item>
      <el-form-item label="部门负责人" prop="manager">
        <el-select
          v-model="form.manager"
          style="width: 80%"
          placeholder="请选择"
        >
          <el-option
            v-for="item in employee"
            :key="item.id"
            :value="item.username"
            :label="item.username"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="部门介绍" prop="introduce">
        <el-input
          v-model="form.introduce"
          style="width: 80%"
          placeholder="1-300个字符"
          type="textarea"
          :rows="3"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
        <el-button size="small" @click="hCancel">取消</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script>
import {
  getEmployeeSimple,
  addDepartments,
  getDepartDetail,
  updateDepartments
} from '@/api/department'
export default {
  name: 'DeptDialog',
  props: {
    parentId: {
      type: String,
      required: true
    },
    isedit: {
      type: Boolean,
      default: false
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    // 自定义校验规则,部门编码
    const validCode = (rule, value, callback) => {
      let existCodeList = this.originList.map((item) => item.code)
      if (this.isedit) {
        existCodeList = this.originList
          .filter((item) => item.id !== this.parentId)
          .map((item) => item.code)
      }
      existCodeList.includes(value)
        ? callback(new Error('编码' + value + '已经存在'))
        : callback()
    }
    // 自定义校验规则,部门名称
    const validName = (rule, value, callback) => {
      let existNameList = this.originList
        .filter((item) => item.pid === this.parentId)
        .map((item) => item.name)
      if (this.isedit) {
        // 先找到自己
        const dept = this.originList.find((item) => item.id === this.parentId)
        const pid = dept.pid
        existNameList = this.originList
          .filter((item) => item.pid === pid && item.id !== this.parentId)
          .map((item) => item.name)
      }
      existNameList.includes(value)
        ? callback(new Error('名字' + value + '已经被占用了'))
        : callback()
    }
    return {
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      employee: [],
      //   部门表单验证规则
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          {
            min: 1,
            max: 50,
            message: '部门名称要求1-50个字符',
            trigger: 'blur'
          },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          {
            min: 1,
            max: 50,
            message: '部门编码要求1-50个字符',
            trigger: 'blur'
          },
          { validator: validCode, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          {
            min: 1,
            max: 300,
            message: '部门介绍要求1-300个字符',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  created() {
    // 调用获取员工下拉列表的方法
    this.getEmployeeSimple()
    this.getDepartDetail()
  },
  methods: {
    // 获取员工下拉列表信息
    async getEmployeeSimple() {
      const res = await getEmployeeSimple()
      this.employee = res.data
    },
    // 添加子部门
    async addPeptHandler() {
      await addDepartments({ ...this.form, pid: this.parentId })
      this.$message.success('添加部门成功')
      this.$emit('update-depart')
    },
    // 编辑子部门
    async editPeptHandler() {
      await updateDepartments(this.parentId, this.form)
      this.$message.success('编辑部门成功')
      this.$emit('update-depart')
    },
    // 获取部门信息 , 进行回填
    async getDepartDetail() {
      if (this.isedit) {
        const res = await getDepartDetail(this.parentId)
        this.form = res.data
      }
    },
    hSubmit() {
      this.$refs.deptForm.validate((valid) => {
        if (valid) {
          this.isedit ? this.editPeptHandler() : this.addPeptHandler()
        }
      })
    },

    // 取消编辑确认按钮
    hCancel() {
      this.$emit('close-dialog')
    }
  }
}
</script>

<style lang="scss" scoped></style>
